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ValentinkaMS [17]
3 years ago
10

Identify the constant of proportionality in the equation. 5y = 35x A) 1 B) 5 C) 7 D) 35

Mathematics
2 answers:
Sidana [21]3 years ago
4 0

Answer:

It's 7

Step-by-step explanation:

5y=35 the easiest way is 35/5=7 7x5=35

zhenek [66]3 years ago
4 0

Answer:

7

Step-by-step explanation:

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Help me solve these questions <br> ?
valentinak56 [21]

Answer:

All of these?

8 0
2 years ago
Janice makes 4 pizzas for dinner. There are 5 people to eat dinner. How much will each person get to eat?
TEA [102]
Hello!

Divide the number of pizzas Janice makes by the number of people who will eat dinner.

4 ÷ 5 = 0.8

Each person will get to eat 0.8 of the pizza.
3 0
3 years ago
Use the Binomial Theorem to expand each binomial (5x-4y)^3
jek_recluse [69]
You should know that:

(a+b)(a+b)(a+b)

=a(a+b)(a+b)+b(a+b)(a+b)

=a(a²+2ab+b²)+b(a²+2ab+b²)

=a³+2a²b+ab²+a²b+2ab²+b³

=a³+3a²b+3ab²+b³

-----------------

If a=5x and b=-4y

(5x+(-4y))³

=(5x-4y)³

=(5x)³+3(5x)²(-4y)+3(5x)(-4y)²+(-4y)³

=125x³+3(25x²)(-4y)+15x(16y²)-64y³

=125x³+75x²(-4y)+240xy²-64y³

=125x³-300x²y+240xy²-64y³
5 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
s344n2d4d5 [400]
From the first equation
6x - y = 1
6x - y - 1 = 0
6x - 1 = y

Substituting we get
4x - 3(6x - 1) = -11
5 0
2 years ago
Can someone solve these for me
tatuchka [14]

Answer:

0.66 and 33/50

62.5% and 5/8

0.75 and 3/4

120% and 1 1/5

0.005 and 1/200

3.75 and 375%

I hope that is correct and helps you! :)

Step-by-step explanation:

8 0
3 years ago
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